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Patent Searching and Data


Matches 601 - 650 out of 12,176

Document Document Title
WO/2013/087668A1
The invention relates to a pumping unit (14, 30) for conveying a reducing fluid, in particular for conveying a urea-water solution for reducing nitrogen oxides in an exhaust gas flow of an internal combustion engine, with a housing cover...  
WO/2013/084579A1
An electronic sphygmomanometer (1) is provided with a cuff (20) mounted onto a measurement site, a drive circuit (53) for driving a piezoelectric pump, and a controller (100) for outputting to the drive circuit a pulse signal regulating ...  
WO/2013/084579A9
An electronic sphygmomanometer (1) is provided with a cuff (20) mounted onto a measurement site, a drive circuit (53) for driving a piezoelectric pump, and a controller (100) for outputting to the drive circuit a pulse signal regulating ...  
WO/2013/084203A1
The present invention relates to a portioning device for portioning out a liquid foodstuff product (2) from a container (3), wherein a hose member (4) of elastic and resilient material is connectable with the container such that product ...  
WO/2013/085637A1
A pump apparatus has a downhole pump disposed in a wellbore and has a motor at the surface, and a rod string operatively moved by the motor reciprocates the downhole pump in the wellbore. A downhole card indicative of load and position o...  
WO/2013/086210A1
A pumping mechanism is disclosed that includes a plurality of peristaltic pumping actuators configured to selectively and sequentially compress adjacent portions of a first portion of an at least partially compressible pumping element ha...  
WO/2013/076465A1
A dispenser for beverages that includes at least two product carrying lines (11, 12) and a peristaltic pump (13,14,15) acting to move a product through both lines. At least one of the lines (12) is switchable to a recirculation loop (12d...  
WO/2013/074100A1
A diaphragm pump includes a first plate, a second plate and a diaphragm having first and second side surfaces. A fluid chamber is defined by the first plate and the first side of the diaphragm, a fluid inlet fluidly connected to the flui...  
WO/2013/068726A2
Bending transducer (2) for deflecting a pumping diaphragm in a diaphragm pump, which transducer has a layered structure (4) comprises a carrier (6), which carrier extends in the longitudinal direction up to a deflecting end (12) and on w...  
WO/2013/068726A3
Bending transducer (2) for deflecting a pumping diaphragm in a diaphragm pump, which transducer has a layered structure (4) comprises a carrier (6), which carrier extends in the longitudinal direction up to a deflecting end (12) and on w...  
WO/2013/068206A1
In order to improve a pump hose which is suitable for a peristaltic pump and by means of which transitions inside the hose are avoided and which is also operationally reliable, the disclosed pump hose has a tubular centre part (11), conn...  
WO/2013/066145A1
A microfluidic device (10) comprises a pumping unit having a pump chamber (15) includes an upper wall (15a), a bottom wall (15b), a first curved sidewall (15c) having at least two inlets (30a) and a second curved sidewall (15d) having at...  
WO/2013/065423A1
Provided is a diaphragm pump configured so that when a piston is caused to project as much as possible and a rolling diaphragm is extended, the smoothly curved expected shape is obtained instead of a shape in which a curved section forme...  
WO/2013/061020A1
A peristaltic pumphead (2) comprising a pumping chamber (16), within which is disposed a pressing element (48) for exerting a peristaltic action on a tube (52) extending within the pumping chamber (16), and an auxiliary chamber (18), whi...  
WO/2013/061021A1
A peristaltic pumphead (2, 202) comprising a pumphead housing (4, 204) accommodating a pumping tube (52, 276), an end of the tube (52, 276) being provided with an end fitting (70, 72, 282) having a through passage (74, 76, 294) and an ab...  
WO/2013/061022A1
A peristaltic pump comprising a drive unit (1) and a pumphead (2) comprising a pressing element (48). The pumphead (2) is connectable to the drive unit (1) such that, when connected, the pressing element (48) is driveable by the drive un...  
WO/2013/057109A1
A peristaltic pump (1) for pumping a liquid comprises a flexible tube (2) for guiding the liquid to be pumped, a compression means (5) being actuatable for compressing the flexible tube (2), an upstream valve means (3) arranged in an ups...  
WO/2013/057178A1
The invention relates to a method for operating a feed pump (1), which operates in a pulsating fashion, in a feed unit (2) for feeding a liquid operating substance (3) for a motor vehicle (4) with a feeding direction (5). The feed pump (...  
WO/2013/055893A2
A refill unit for a foam dispenser including a liquid container and a diaphragm foam pump connected to the liquid container and diaphragm foam pumps. The diaphragm foam pump includes an elastomeric diaphragm having an air piston bore and...  
WO/2013/054801A1
Provided are a fluid-control device capable of adjusting the natural frequency of a flexible plate to an optimal value, and a method for adjusting the fluid-control device. In a pressing step, a piezoelectric pump (101) is placed on a st...  
WO/2013/053982A1
This invention concerns peristaltic pumps and an adjustment mechanism for adjusting a compression force imposed on a hose. The adjustment mechanism comprises at least a gear unit and a counterpart for the gear unit. The counterpart is op...  
WO/2013/050114A3
The invention relates to a compressor (10) comprising a pressure chamber (12;13) which is delimited by at least two housing parts (20;30), these housing parts (20;30) comprising sealing surfaces (25;35) that are connected by means of a c...  
WO/2013/045598A3
The invention relates to a positive displacement pump (100), comprising a drive unit (1) and a pump unit (2) having several working chambers (4, 4'), several displacement elements (3, 3'), and at least three cylinders (5), preferably exa...  
WO/2013/046330A1
A microdiaphragm pump which has a diaphragm chamber that makes contact with one side of an intake valve and a discharge valve, and which is equipped with: two valve plate sheets (12), which are stacked facing each other and reversed with...  
WO/2013/040874A1
A liquid flow output method, a phase change power device, and a constant flow pump. The present invention uses fixed volume changes of some phase change materials that occur in the phase change process from solid to liquid. Through pre-c...  
WO/2013/041702A1
A peristaltic pump comprises a tube (2) for transporting a material, wherein the tube (2) is arranged linearly along a longitudinal axis (3). The peristaltic pump further comprises a pump head (9) for causing a squeezing of the tube (2),...  
WO/2013/041701A1
A peristaltic pump (1 ) comprises a tube (2) to transport a material in a transport direction (4) and a conveying screw (3), which is configured to cause a transport of the material by causing a successive squeezing of the tube (2) along...  
WO/2013/044195A2
One or more electroactive polymer (EAP) strips (20, 54) are circumferentially or lengthwise embedded or mounted around the fluid passage member (20, 52). The EAP strips are configured to function as a pump when a prescribed electrical ch...  
WO/2013/043322A1
A peristaltic pump assembly comprises a pump and a removable cassette. The pump includes a pumping mechanism portion having opposed inner and outer walls defining a slot opening therebetween, and further having a cassette mounting pin ex...  
WO/2013/044195A3
One or more electroactive polymer (EAP) strips (20, 54) are circumferentially or lengthwise embedded or mounted around the fluid passage member (20, 52). The EAP strips are configured to function as a pump when a prescribed electrical ch...  
WO/2013/041092A3
The invention relates to a peristaltic pump comprising at least one tube and one or more occluding means for continually occluding the tube in the direction of travel of a fluid. A contact surface of the tube rests on a casing, and the c...  
WO/2013/041092A2
The invention relates to a peristaltic pump comprising at least one tube and one or more occluding means for continually occluding the tube in the direction of travel of a fluid. A contact surface of the tube rests on a casing, and the c...  
WO/2013/043300A1
A dual-cavity pump having a pump body with a substantially elliptical shape including a cylindrical wall (11) closed at each end by end plates (12,13) is disclosed. The pump (10) further comprises a pair of disc-shaped interior plates (1...  
WO/2013/041703A1
A peristaltic pump (1) comprises a tube (2) to transport a material in a transport direction (4) and one or more piezoelements (3), which are configured to cause a squeezing of the tube (2). Furthermore, a method of transporting material...  
WO/2013/041700A1
The pump is provided with mobile mechanical parts and comprises a tank (1) with a fluid dispensing sleeve (3) which remains fully open, but whereof the inner capillary is too narrow for fluid to be dispensed therethrough when idle. A res...  
WO/2013/037580A1
The invention relates to a pump device (100) for delivering a fluid (2) through a fluid line (3) from a fluid source (4) to a device (1) in a controllable manner, wherein a membrane unit (5) with a membrane (6) is provided, said membrane...  
WO/2013/040387A2
A multi-channel peristaltic pump in which each channel can be operated independently of the others. A peristaltic pump includes a plurality of motors, each of which drives a rotor shaft which is independently rotatable around an axis and...  
WO/2013/029407A1
A piezoelectric ceramic actuator-type super micro air pump. A pump body consists of a pump lower cover (1), a pump base (5), and a pump housing component fixedly connected together, while a piezoelectric ceramic transducer piece (2) serv...  
WO/2013/030408A1
The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising an inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) tha...  
WO/2013/026485A1
A diaphragm pump, in particular for use as a detergent dosage pump, comprises a pump head (12), a fluid chamber (18) adjacent to the pump head (12), a diaphragm (20) defining a wall of the fluid chamber (18) and reciprocatingly movable b...  
WO/2013/028416A3
This invention discloses a peristaltic pump composed of a two-stage linear peristaltic pump mechanism, which engages in different functions, charging and pumping a fluid to a patient. This peristaltic pump is capable of restoring the cru...  
WO/2013/028416A2
This invention discloses a peristaltic pump composed of a two-stage linear peristaltic pump mechanism, which engages in different functions, charging and pumping a fluid to a patient. This peristaltic pump is capable of restoring the cru...  
WO/2013/023939A1
Linear peristaltic pump for pumping a fluid through a flexible tube (13) comprises a rotatable central member (34) with a plurality of radially disposed planetary gears (51-53). An offset roller (61-63) is disposed on each of the planeta...  
WO/2013/017143A1
A diaphragm pump for a seat adjusting device comprises an enclosure (11) and at least one diaphragm (23, 24) disposed within the enclosure (11) to delimit a first pump chamber (21) and a second pump chamber (22). Each one of the first an...  
WO/2013/018011A2
The present invention describes the improvements due to alternated actuation cycles to reduce the delivery errors related to the pumping chamber elasticity, the actuator relaxation or hysteresis. The method actuates a pumping device with...  
WO/2013/019017A1
The present invention relates to a diaphragm pump, more specifically to a diaphragm pump which is capable of increasing flux to the same amount of a conventional diaphragm pump while remarkably reducing pulsation.  
WO/2013/019717A1
Acoustic pressure inducers and methods for treating obstructive sleep apnea are disclosed. In one embodiment, an acoustic pressure inducer includes an actuator housing having an orifice, a tube having a first end and a second end, and a ...  
WO/2013/017241A1
The invention relates to a method for detecting the permeability of a section of a extracorporeal flexible tube inserted into a peristaltic pump (23), a detection device for carrying out a claimed method, a medicinal treatment device whi...  
WO/2013/018011A3
The present invention describes the improvements due to alternated actuation cycles to reduce the delivery errors related to the pumping chamber elasticity, the actuator relaxation or hysteresis. The method actuates a pumping device with...  
WO/2013/017241A8
The invention relates to a method for detecting the permeability of a section of a extracorporeal flexible tube inserted into a peristaltic pump (23), a detection device for carrying out a claimed method, a medicinal treatment device whi...  

Matches 601 - 650 out of 12,176